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Andrea Unfiltered: The Liver of the Pool (Chemistry That Actually Matters)
Description
In this episode of Talking Pools Podcast, Andrea wraps up her multi-part deep dive into pool chemistry with a no-BS breakdown of what actually matters when it comes to testing, dosing, and not screwing it all up.
And yes… she’s cooking chicken while recording.
🔍 What This Episode Covers
This isn’t textbook chemistry.
This is real-world, boots-on-the-ground pool service knowledge—the stuff that actually saves you from making expensive mistakes.
📊 Testing Frequency (What You Should Actually Be Doing)
Andrea breaks down what needs to be tested—and how often:
- Weekly: Free chlorine, combined chlorine, pH, total alkalinity
- Bi-weekly (max): Total alkalinity (don’t push it further)
- Monthly: Cyanuric acid, calcium hardness, salt
- As needed: Phosphates, metals, TDS
And one big reminder:
If you’re not testing combined chlorine… you’re missing half the story.
⚠️ Test Kit Lies (Yes, They Lie)
Ever get a reading that makes zero sense?
It might not be you.
This episode dives into:
- DPD bleaching → false zero chlorine readings
- MPS interference → false high readings
- High chlorine messing with pH tests
- Metals affecting calcium hardness results
👉 Translation:
Your test results can absolutely betray you if you don’t know what you’re looking at.
🧠 The Dilution Trick (That Most Techs Don’t Use)
When your test maxes out…
You don’t guess.
You dilute.
Andrea explains:
- How to properly dilute samples
- When to multiply results
- Why guessing high readings is a mistake
Including real-world examples of CYA levels hitting 300+ ppm in Florida.
💣 Chemical Dosing (Where People Go Off the Rails)
This is where things get dangerous—and expensive.
Andrea walks through:
- Proper dosing based on 10,000 gallons
- Why dumping “a gallon of acid” is a terrible idea
- How to actually adjust pH and alkalinity correctly
And the reality:
Most chemical mistakes aren’t accidents… they’re impatience.
⚙️ Feeders, Automation & Salt Systems
From manual dosing to full automation, this episode covers:
- Stenner pumps & peristaltic systems
- Tab feeders vs erosion feeders
- Ozone, UV, and gas systems
- Salt cells and how they actually generate chlorine
Including a key reminder:
👉 Salt is not the sanitizer
👉 The cell produces chlorine gas → which becomes hypochlorous acid
🔥 The Real Problem with the Industry
Andrea calls out a growing issue:
Conflicting information between:
- CPO materials
- Manufacturers
- Field experience
And the result?
👉 Confused techs
👉 Bad chemistry decisions
👉 Arguments in comment sections
Thank you so much for listening! You can find us on social media:
Email us: talkingpools@gmail.com